FP_Card_VM

public class Card
{
    private int cardNumber;
    private double availableBalance;

    public Card( int theCardNumber, double theAvailableBalance )
    {
        cardNumber = theCardNumber;
        availableBalance = theAvailableBalance;
    }

    public boolean validateCard( int userCard )
    {
        if ( userCard == cardNumber ) return true;
        else return false;
    }

    public double getAvailableBalance()
    {
        return availableBalance;
    }

    public void debit( double amount )
    {
        availableBalance -= amount;
    }

    public int getCardNumber()
    {
        return cardNumber;
    }

}